您要查找的是不是：
- Antisatellite missile and ant satellite defense system 反卫星导弹与反卫星防务系统
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- Many heroic men and women have died in defense of liberty. 许多英勇的男男女女为捍卫自由而牺牲。
- They had a dogged defense of the city. 他们对城市进行了顽强的防守。
- The space shuttle will orbit a weather satellite. 太空梭将把一个气象卫星送入运行轨道。
- The news was beamed to East Africa by satellite. 这条新闻由卫星向东非传送。
- The Olympics were telecast live via satellite. 奥运比赛经由人造卫星做实况转播。
- They are repairing the defense works. 他们正在修防御工程。
- The launch vehicle lifts the satellite into orbit. 太空火箭将人造卫星送入运行轨道。
- The accused has the right to defense. 被告人有权获得辩护。
- Now space satellite is used to speed long distance call. 现在宇宙卫星被用来快速传送长途电话。
- ARPANET started by the US Dept. of Defense for research. 美国国防部建立了阿帕网，作研究用。
- She's on attachment to the Ministry of Defense. 她现在隶属于国防部。
- The defense was overwhelmed by superior numbers. 防守被优势的兵力摧垮了。
- The equipment picked up the signal from the satellite. 这设备收到了卫星发出的信号。
- She spoke up in defense of her political beliefs. 她为她的政见力辩。
- He was called as a defense witness. 他被传唤作被告的证人。
- A satellite's circle around the earth. 卫星绕地球的环形轨道
- Several nations formed a defense league. 几个国家结成了防御联盟。
- They have launched a man-made satellite successfully. 他们成功地发射了一颗人造卫星。
